What is the type of Audit_log_events system variable?

Answer: Option B

This question asks about the type of data stored in the Audit_log_events system variable. System variables store information about how MySQL works.
Let's understand the options:
A: string - Strings store text like "Hello" or "MySQL".
B: integer - Integers are whole numbers like 10, 25, or 500.
C: float - Floats are numbers with decimal points like 3.14 or 12.5.
D: double - Doubles are similar to floats but can store even larger numbers with decimal points.
Think about what the Audit_log_events variable might store. It's about what kind of events are being logged. Would it be a number (integer) or a descriptive text (string)?
The correct answer is A: string. The Audit_log_events variable stores a string describing the types of events that should be logged.